<tr id="tr___name__">
    <td style="color: black;"> {{ form_widget(form.user,{'attr':{'style':'width:80%'}}) }}</td>
    <td> {{ form_widget(form.role,{'attr':{'style':'width:80%'}}) }}</td>
    <td onclick="deleteEnseignant('__name__')">supprimer</td>
</tr>